The speed of light in cold air is approximately 3x10^8 meters per second. The speed of sound in cold air is approximately 3x10^2 meters per second. The speed of light in cold air is how many times the speed of sound in cold air

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-12 -5(x + 4) = 3x

-12 - 5x - 20 = 3x

-12 - 20 - 5x = 3x

-32 - 5x = 3x

    + 5x   + 5x

-32 = 8x

8         8

- 4= x

the photograph is photographer and- in the process- ourselves.

step-by-step explanation:

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step-by-step explanation:

( - 4 , -7 )

all the lines must parallel  

step-by-step explanation:

coordinates of c = ( - 1 , 2 )

3 units left = ( -4 , 2 )

9 units down = ( - 4 , 11 )